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Praxis II General Science

Category - Major Ideas

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Which of the following is an allotrope of carbon?

High carbon steel
Graphite
Plastic
Oil
Hexane

Explanation

Answer: B - Graphite is an allotrope of carbon, as well as diamond or graphene. Allotropes are different forms of a pure element. For example, oxygen can be found as O₂ or O₃ in nature, as well as occasionally in its monomeric form, O^2-

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